Home / 70,220,508.56-105,320,134.02-19,106,513.18

Finding the Fourth Proportional to 70,220,508.56, 105,320,134.02 and 19,106,513.18

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Solution

The fourth proportional to 70,220,508.56, 105,320,134.02 and 19,106,513.18 is: 28,656,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,508.56 : 105,320,134.02 = 19,106,513.18 : x
  2. Step 2: Convert to fraction form
    70,220,508.56/105,320,134.02 = 19,106,513.18/x
  3. Step 3: Cross multiply
    70,220,508.56x = 105,320,134.02 × 19,106,513.18
  4. Step 4: Simplify right side
    70,220,508.56x = 2,012,300,528,604,926.25
  5. Step 5: Solve for x
    x = 2,012,300,528,604,926.25/70,220,508.56
  6. Step 6: Final answer
    x = 28,656,877.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.